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Flooding the batteries with water is the best way to put out a lithium-ion battery fire.
Isn't oxygen deprivation (usually through burying) a much faster method?
Maybe for smaller things, a regular car maybe.
But by the time a suitable digging machine arrives on scene and digs a big enough hole for a semi it'd probably be faster to flood it with water. Not to mention what might be underneath the ground, so they'd also have to spend time determining if there's any gas lines or whatever before they dig so they don't make a much bigger problem
Lithium fires are self-oxidizing, so that won't work. Burying it helps keep it from spreading, though.
Do you volunteer your backyard for such burials?
Sure.
Sure you would, now. It's easy to be virtuous when the only things at stake are fake internet points.
I'd love to see you show the same heroism when an excavator in fire department livery comes to your house, rips up your front lawn, damages your water line and underground cables, potentially damages your basement's walls, and carries off two cubic metres of soil to put out somebody else's vehicle fire somewhat faster than water would. I'm sure you'd feel great about the damage you'd have to get fixed, even if you ignore the cost. Or do you think that fire departments would just buy dumptrucks to haul soil to fires on the off chance that the reporter correctly identifies the involved vehicle as having a lithium battery?
It's not ideal, but water with fire retardant is the most practical solution.
It isn't.
https://youtu.be/qgP7KkDesBo?si=XNb_yZYwA943t0lP
Water seems to put it out for a bit, but the reaction is self-oxidizing and starts right back up again. That's why it takes so much water; fire fighters keep dowsing it and then doing it again. Takes all day, and the whole thing burns away in the end.
The way to do it is, if possible, tow it somewhere away from other things, keep the fire from spreading, and otherwise let it burn. For cars, there are fireproof blankets coming on the market to contain it. Semi-trucks are probably too big for that, though.
Well, the [vehicle] has been towed outside the environment.